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Is it necessary to create a data warehouse separate from the operational data store (ODS)?

Published
  • December 13 2000, 1:00am EST

Q:  

Is it necessary to create a data warehouse separate from the operational data store (ODS)? Can one have an ODS created around a dimensional design and just add additional summary tables or dimensions as needed instead of creating a data warehouse?

A:  

Chuck Kelley’s Answer: I believe the operational data store is an operational system, so they will be different than the data warehouse. They will be a great feeder of the data warehouse.

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